diff --git a/src/corelib/io/qbuffer.cpp b/src/corelib/io/qbuffer.cpp
index 8e1888d8934..696b1f5bc3f 100644
--- a/src/corelib/io/qbuffer.cpp
+++ b/src/corelib/io/qbuffer.cpp
@@ -41,6 +41,8 @@
 #include <QtCore/qmetaobject.h>
 #include "private/qiodevice_p.h"
 
+#include <limits>
+
 QT_BEGIN_NAMESPACE
 
 /** QBufferPrivate **/